US2740824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage batteries
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1953-07-31
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Granted: 1956-04-03
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Expires: 1973-07-31
Abstract
No abstract record available.
Inventors
- 👤 Stanimirovitch Douchan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:41
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/54; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A STORAGE BATTERY COMPRISING A PLURALITY OF INDIVIDUALLY SEALED CELLS EACH INCLUDING A CASING AND ALL ASSEMBLED IN GEOMETRIC PARALLEL RELATIONSHIP, A PLURALITY OF RIGID FRAMES OF THICK CROSS SECTION EACH HAVING CROSS BARS OF LIKE THICK CROSS SECTION DEFINING OPENINGS THROUGH WHICH THE RESPECTIVE INDIVIDUAL CASINGS EXTEND IN CLOSE FITTING RELATIONSHIP WITH WIDE SURFACES OF SAID THICK CROSS BARS TO AVOID CUTTING INTO THE CASINGS, SAID FRAMES BEING SPACED FROM EACH OTHER ALONG THE LENGTHS OF SAID CELLS AND SERVING TO MAINTAIN THE CELLS IN FIXED SPACED APART RELATIONSHIP TO PERMIT CIRCULATION OF COOLING MEDIUM ABOUT THE INDIVIDUAL CELLS AND ALSO SERVING TO PREVENT BULGING OF THE CELL CASING WALLS UNDER INTERNAL CELL PRESSURE, AND MEANS FOR CIRCULATING COOLING MEDIA AROUND SAID CELLS.
Claim 2
Dependent Claim
124 words
A STORAGE BATTERY COMPRISING A PLURALITY OF INDIVIDUALLY SEALED CELLS EACH INCLUDING A CASING AND ALL ASSEMBLED IN GEOMETRIC PARALLEL RELATIONSHIP, A PLURALITY OF RIGID FRAMES OF THICK CROSS SECTION EACH HAVING CROSS BARS OF LIKE THICK CROSS SECTION DEFINING OPENINGS THROUGH WHICH THE RESPECTIVE INDIVIDUAL CASINGS EXTEND IN CLOSE FITTING RELATIONSHIP WITH WIDE SURFACES OF SAID THICK CROSS BARS TO AVOID CUTTING INTO THE CASINGS, SAID FRAMES BEING SPACED FROM EACH OTHER ALONG THE LENGTHS OF SAID CELLS AND SERVING TO MAINTAIN THE CELLS IN FIXED SPACED APART RELATIONSHIP TO PERMIT CIRCULATION OF COOLING MEDIUM ABOUT THE INDIVIDUAL CELLS AND ALSO SERVING TO PREVENT BULGING OF THE CELL CASING WALLS UNDER INTERNAL CELL PRESSURE, AND MEANS FOR CIRCULATING COOLING MEDIA AROUND SAID CELLS.
References Cited (Backward Citations)
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Cited
US930728A
Cited
US1036063A
Cited
US1152247A
Cited
US1546422A
Cited
US2666091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |